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Position 3134, Category Bear Off

Roll or Double?

Black vs White

Match to 2, Score: 0 - 0

added at 9/6/2014 5:56 PM, from FritzBlitz

Pipcount: 5(0) - 5(0)


Gnu BG ID:

Comment:
Black wins if he doesn't roll a 1 which happens 25/36(>50%) of the time so he should double. Since the cube is dead after this it has been turned by black, white's take-point is 25%. However, his chances of winning are just 25/36*11/36 (< 25%), so he should pass.

Tags: 13 off | symmetric position | dead cube |

4 other actions for this position:

    Cube Action:
    backgammon position number 3134 - checkerplay.com

    Evaluation Level: XG Roller++

    Winning Chances:

    Player: 78.78%78.78%0.00%0.00%
    Opponent: 21.22%21.22%0.00%0.00%

    Cubeful Equities:

    No Double:+0.389-0.611
    Double / Take:+1.623+0.623
    Double / Drop:+1.000best

    Best Cube Action: Double / Pass

    Cubeless Equities:

    No Double:+0.576
    Double:+1.623

    Software: eXtreme Gammon Version: 2.10. MET: Kazaross XG2

    User Comments:

    10/2/2014 8:50 AM, Martin: The takepoint is not 25%, it is 33.3% (2-away 1-away Crawford)